/
queue.go
191 lines (155 loc) · 4.07 KB
/
queue.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
package rmq
import (
"fmt"
amqp "github.com/rabbitmq/amqp091-go"
)
type (
// QueueBindParams - amqp.Channel().QueueBind(...) params
QueueBindParams struct {
Name, Key, Exchange string
NoWait bool
Args amqp.Table
}
// QueueManager - queue manager
QueueManager struct {
channel *amqp.Channel
}
)
// Inspect - amqp.Channel().QueueInspect(...) wrap
func (qs *QueueManager) Inspect(name string) (q amqp.Queue, err error) {
if qs.channel == nil || qs.channel.IsClosed() {
err = fmt.Errorf("unable to inspect queue on closed or empty channel")
return
}
q, err = qs.channel.QueueInspect(name)
if err != nil {
err = fmt.Errorf("queue inspect error: %w", err)
}
return
}
// Purge - amqp.Channel().QueuePurge() wrap
func (qs *QueueManager) Purge(name string, noWait bool) (msgCount int, err error) {
if qs.channel == nil || qs.channel.IsClosed() {
err = fmt.Errorf("unable to purge queue on closed or empty channel")
return
}
msgCount, err = qs.channel.QueuePurge(name, noWait)
if err != nil {
err = fmt.Errorf("queue purge error: %w", err)
}
return
}
// DeleteMulti - deletes for than one queue
func (qs *QueueManager) DeleteMulti(deleteParams ...*DeleteParams) (err error) {
for _, params := range deleteParams {
_, err = qs.Delete(params)
if err != nil {
return
}
}
return
}
// Delete - deletes queue
func (qs *QueueManager) Delete(params *DeleteParams) (msgCount int, err error) {
if qs.channel == nil || qs.channel.IsClosed() {
err = fmt.Errorf("unable to delete queue on closed or empty channel")
return
}
msgCount, err = qs.channel.QueueDelete(params.Name, params.IfUnused, params.IfEmpty, params.NoWait)
if err != nil {
err = fmt.Errorf("queue delete error: %w", err)
}
return
}
// DeclareMulti - declares more than one queue
func (qs *QueueManager) DeclareMulti(declareParams ...*DeclareParams) (err error) {
for _, params := range declareParams {
_, err = qs.Declare(params)
if err != nil {
return fmt.Errorf("queue declare err: %w", err)
}
}
return
}
// Declare - declare queue
func (qs *QueueManager) Declare(declareParams *DeclareParams) (q amqp.Queue, err error) {
if qs.channel == nil || qs.channel.IsClosed() {
err = fmt.Errorf("unable to declare queue on closed or empty channel")
return
}
declareFunc := qs.channel.QueueDeclare
if declareParams.Passive {
declareFunc = qs.channel.QueueDeclarePassive
}
q, err = declareFunc(
declareParams.Name,
declareParams.Durable,
declareParams.AutoDelete,
declareParams.Exclusive,
declareParams.NoWait,
declareParams.Args,
)
if err != nil {
err = fmt.Errorf("queue declare err: %w", err)
}
return
}
// BindMulti - bind more than one queue
func (qs *QueueManager) BindMulti(bindParams ...*QueueBindParams) (err error) {
for _, params := range bindParams {
err = qs.Bind(params)
if err != nil {
return
}
}
return
}
// Bind - bind queue
func (qs *QueueManager) Bind(bindParams *QueueBindParams) (err error) {
if qs.channel == nil || qs.channel.IsClosed() {
return fmt.Errorf("unable to bind queue on closed or empty channel")
}
err = qs.channel.QueueBind(
bindParams.Name,
bindParams.Key,
bindParams.Exchange,
bindParams.NoWait,
bindParams.Args,
)
if err != nil {
err = fmt.Errorf("queue bind error: %w", err)
}
return
}
// UnbindMulti - unbind more than one queue
func (qs *QueueManager) UnbindMulti(bindParams ...*QueueBindParams) (err error) {
for _, params := range bindParams {
err = qs.Unbind(params)
if err != nil {
return
}
}
return
}
// Unbind - unbind queue
func (qs *QueueManager) Unbind(bindParams *QueueBindParams) (err error) {
if qs.channel == nil || qs.channel.IsClosed() {
return fmt.Errorf("unable to unbind queue on closed or empty channel")
}
err = qs.channel.QueueUnbind(
bindParams.Name,
bindParams.Key,
bindParams.Exchange,
bindParams.Args,
)
if err != nil {
err = fmt.Errorf("queue unbind error: %w", err)
}
return
}
// NewQueueManager - QueueManager constructor
func NewQueueManager(channel *amqp.Channel) *QueueManager {
return &QueueManager{
channel: channel,
}
}